(k+7)2=289

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Solution for (k+7)2=289 equation:


Simplifying
(k + 7) * 2 = 289

Reorder the terms:
(7 + k) * 2 = 289

Reorder the terms for easier multiplication:
2(7 + k) = 289
(7 * 2 + k * 2) = 289
(14 + 2k) = 289

Solving
14 + 2k = 289

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-14' to each side of the equation.
14 + -14 + 2k = 289 + -14

Combine like terms: 14 + -14 = 0
0 + 2k = 289 + -14
2k = 289 + -14

Combine like terms: 289 + -14 = 275
2k = 275

Divide each side by '2'.
k = 137.5

Simplifying
k = 137.5

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